1 The expected genotype frequencies. 2  The number of heterozygous individuals that you would predict to be in this population. 3  The expected phenotype frequencies. 4  Conditions happen to be really good this year for breeding and next year there are 1,245 young potential Biology instructors.
Freebase(0.00 / 0 votes)Rate this definition: Donkey. The donkey or ass, Equus africanus asinus, is a domesticated member of the Equidae or horse family. The wild ancestor of the donkey is the African wild ass, E. africanus. The donkey has been used as a working animal for at least 5000 years.
The donkey or ass (Equus africanus asinus), is a domesticated member of the horse family, Equidae. The wild ancestor of the donkey is the African wild ass, E. africanus.orking donkeys are often associated with those living at or below subsistence levels. Small numbers of donkeys are kept for breeding or as pets in developed countries. A male donkey or ass is called a jack, a female a jenny or jennet; a young donkey is a foal.